<template>
  <div>
    <redis-serializer-chose ref="serializerChose" v-model="input.serializerParam"/>

    <el-form :inline="true" @submit.native.prevent>
      <el-form-item>
        <el-checkbox v-model="input.search.wildcardLeft">左模糊</el-checkbox>
        <el-checkbox v-model="input.search.wildcardRight">右模糊</el-checkbox>
        <el-checkbox v-model="input.search.fast">单KEY</el-checkbox>
      </el-form-item>
      <el-form-item>
        <el-input v-model="input.keyScanParam.pattern" style="width: 380px" size="small" placeholder="输入 key 发起搜索" clearable
                  suffix-icon="el-icon-search" @keyup.enter.native="scanKey"/>
      </el-form-item>
      <el-form-item label="超时(ms)">
        <el-input :disabled="input.search.fast" v-model="input.search.timeout" size="small"  style="width: 60px" />
      </el-form-item>
      <el-form-item>
        <el-button  size="small" type="danger" @click="dropChoseKeys">批量删除</el-button>
      </el-form-item>
    </el-form>

    <el-row>
      <el-col :span="15">
        <el-table
            :data="keyScanResult.keys"
            v-loading="loading"
            border
            stripe
            style="width: 100%"
            size="mini"
            height="500"
            ref="keyScanTable"
        >
          <el-table-column
              type="selection"
              width="55" />
          <el-table-column
              type="index"
              width="50"/>
          <el-table-column
              prop="type"
              label="type"
              width="90" />
          <el-table-column
              prop="key"
              label="key"
              width="450" />
          <el-table-column
              prop="ttl"
              label="ttl"
              width="90" />
          <el-table-column
              prop="length"
              label="length" />

          <el-table-column
              prop="pttl"
              label="pttl"
              width="90" />
          <el-table-column
              prop="slot"
              label="slot"
              width="100"/>

          <el-table-column
              fixed="right"
              label="操作"
              width="150"
          >
            <template slot-scope="scope">
              <el-button type="text" class="text-danger" size="small" @click="dropKeys(scope.row.key)">删除</el-button>
              <el-button type="text" size="small" @click="readData(scope.row)">数据</el-button>
            </template>
          </el-table-column>
        </el-table>
        <el-button-group>
          <el-button plain size="mini" icon="el-icon-coordinate" @click="resetScan">重置</el-button>
          <el-button plain size="mini" :disabled="keyScanResult.done" icon="el-icon-arrow-right" @click="nextPage">下一页</el-button>
        </el-button-group>
        cursor: {{keyScanResult.cursor || 0}} nodeId: {{keyScanResult.nodeId}}
      </el-col>

      <!-- 数据展示区 -->
      <el-col :span="9" class="padding-little-left data-show" >
        <datashow ref="datashow" :key-row="keyRow" :conn-param="connParam" :serializer-param="input.serializerParam"/>
      </el-col>
    </el-row>


  </div>
</template>

<script>
import redis from "@/api/redis";
import RedisSerializerChose from "@/views/monitor/redis/RedisSerializerChose";
import datashow from "@/views/monitor/redis/datashow";

export default {
  name: "keyscan",
  components: {RedisSerializerChose, datashow},
  props:{
    connParam:{
      type: Object,
      required: true
    }
  },
  data(){
    return {
      loading: false,
      keyScanResult: {},
      input: {
        search: {
          wildcardLeft: true,
          wildcardRight: true,
          timeout: -1,
          fast: false,
          nodeId: null
        },
        keyScanParam: {
          pattern: null,
          limit: 20,
          cursor: 0
        },
        serializerParam: {
          keySerializer: 'string',
          value: 'string',
          hashKey: 'string',
          hashValue: 'string',
          classloaderName: null
        }
      },
      keyRow: {}
    }
  },
  methods:{
    init(){
      this.scanKey();
    },
    scanKey(){
      let scanTabInput = this.input;

      let scanParam = Object.assign({},scanTabInput.keyScanParam);
      // 如果需要支持模糊, 在key 两边加上 * 号
      if (scanParam.pattern){
        if (scanTabInput.search.wildcardLeft ) {
          scanParam.pattern= '*' + scanParam.pattern
        }
        if (scanTabInput.search.wildcardRight ) {
          scanParam.pattern = scanParam.pattern + '*'
        }
      }else{
        scanParam.pattern = '*';
      }
      scanParam.timeout = scanTabInput.search.timeout;
      scanParam.fast = scanTabInput.search.fast;

      this.loading = true;
      redis.scan(this.connParam,scanParam,scanTabInput.serializerParam).then(res => {
        this.loading = false;
        this.keyScanResult = res.data;
      }).catch(res => {
        this.loading = false;
      })
    },
    resetScan(){
      let scanTabInput = this.input;

      scanTabInput.search.nodeId = null;
      scanTabInput.keyScanParam.cursor = '0';
      this.scanKey();
    },
    dropChoseKeys(){
      let selection = this.$refs.keyScanTable.selection;
      if (selection.length === 0){
        this.$message('选中 key 来删除');
        return ;
      }
      let keys = selection.map(item => item.key);
      this.$confirm('确定删除 ' + selection.length + ' 个 key 吗,此操作不可逆?', '警告', { type: 'warning' }).then(() => {
        redis.delKeys(this.connParam,keys,serializerParam,this.input.serializerParam).then(res => {
          this.scanKey();
        })
      }).catch(() => {})
    },
    readData(row){
      // this.loadData.keyObj = row;
      // this.$nextTick(() => {
      //   let component = this.$refs['loadData_'+row.type];
      //   if (component){
      //     component.loadData();
      //   }
      // })
      this.keyRow = row;
    },
    nextPage(){
      let scanTabInput = this.input;

      scanTabInput.search.nodeId = this.tabs.keyscan.keyScanResult.nodeId;
      scanTabInput.keyScanParam.cursor = this.tabs.keyscan.keyScanResult.cursor;
      this.scanKey();
    },
    dropKeys(keys){
      let serializerParam = this.input.serializerParam;
      if (keys && typeof keys === 'string') {
        this.$confirm('确定删除 ' + keys + ' 此操作不可逆?', '警告', { type: 'warning' }).then(() => {
          console.log('删除 key',keys)
          redis.delKeys(this.connParam, [keys],serializerParam).then(res => {
            this.scanKey();
          })
        }).catch(() => {
        })
      } else if (keys) {
        this.$confirm('再次确认,将删除' + keys.length + '个 key 此操作不可逆?', '警告', { type: 'warning' }).then(() => {
          redis.delKeys(this.connParam, keys,serializerParam).then(res => {
            this.scanKey()
          })
        }).catch(() => {
        })
      }
    },
  },
  mounted() {

  },
  watch: {
    "input.serializerParam":{
      deep: true,
      handler(val,oldVal){
        this.$refs.datashow.loadAllData();
      }
    }
  }

}
</script>

<style scoped>
@import "../../../assets/bootstrap.css";

.data-show .panel-body{
  min-height: 370px;
  max-height: 470px;
  overflow-y: scroll
}
</style>
